.container {
  flex: 1;
  display: flex;
  overflow: hidden;
  flex-direction: column;

  .header {
    height: 45px;
    line-height: 40px;
    padding: 0 20px;
    border-bottom: 1px solid #ccc;
  }

  .main {
    padding: 10px 20px;
    flex: 1;
    position: relative;
    overflow: hidden;
  }
}
